Added confirmation email check to change_email method
Issue 2445 - Replaced the displayed tag_type with a variable based on the corresponding NAME constant to fix the Freeforms issue and enable future changes.
Rejigged open challenges page
Issue 2223: restricted works in static collections

Also a slew of translation strings and other optimisation

The main change is in the restricted_works index, and it concerns the
link to the individual restricted work
Removed "not being moderated" as a condition of the Sign Up button.
Removed "not being moderated" as a condition of the Sign Up button appearing
Issue 2744: Collections: Owner/mod should be able to post works even if the collection is closed
Issue 2399: Message needed when adding a work to a moderated collection through the post new / edit work form
Adding a missing line of code
Issue 2998: Comments: Obscure name when commenting on your own anonymous work
Carried anonymity over to user Inbox. Added Warning to replies from Inbox.
Fixed a couple bugs, and added email anonymity
Changed 'Anon-Creator' to 'Anonymous Creator'
Changed 'Anon-Creator' to 'Anonymous Creator' reply_notification
Fixing _comment_form.html.erb
Fixing last of Anon-Creator lines
_single_comment.html.erb contained another Anon-Creator. Fixed
Fixed error with Chapters. Fixed indenting. Clarified some code
Issue 2493. Showing prompt in Notes
Issue 2494: Post to fulfil should not show up if the collection is closed